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error:x509 certificate signed by unknown authority when logging in OpenShift 4 using the installation kubeconfig file

Solution In Progress - Updated -

Issue

  • 当使用安装中的 kubeconfig (auth/kubeconfig)以用户身份登录时,会显示一个错误:error: x509 certificate signed by unknown authority error.
  • 在尝试登录到集群时看到以下警告。
    警告:使用不安全的 TLS 客户端配置。不支持设置这个选项!
  • 使用单独的 kubeconfig 允许记录,但新的 kubeconfig 不会包含 system:admin 用户的无密码登录的信息。

Environment

  • Red Hat OpenShift Container Platform
    • 4

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